| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Czech Republic > Polybasite-M2a2b2c |
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| DESCRIPTION: | No. 42543 |
| Mineral: | Polybasite-M2a2b2c |
| Locality: | Joseph Mine, Jáchymov (formerly Joachimsthal), Bohemia, Czech Republic |
| Description: | Sparkling microcrystals of black polybasite on milky quartz crystal to 1 mm with earthy brown coating. Some professionals consider Jáchymov to be the Type locality for the M2a2b2c polytype. |
| Overall Size: | 25x25x22 mm |
| Crystals: | micro |
| Archived: | For reference only |
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